51201640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1709}}^1$

素因数の和:1834

約数の個数: 64

約数和(自身を含む): 132969600

約数和(自身を除く): 81767960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 107, 140, 214, 280, 428, 535, 749, 856, 1070, 1498, 1709, 2140, 2996, 3418, 3745, 4280, 5992, 6836, 7490, 8545, 11963, 13672, 14980, 17090, 23926, 29960, 34180, 47852, 59815, 68360, 95704, 119630, 182863, 239260, 365726, 478520, 731452, 914315, 1280041, 1462904, 1828630, 2560082, 3657260, 5120164, 6400205, 7314520, 10240328, 12800410, 25600820, 51201640]

約数ペア:

[(1, 51201640), (2, 25600820), (4, 12800410), (5, 10240328), (7, 7314520), (8, 6400205), (10, 5120164), (14, 3657260), (20, 2560082), (28, 1828630), (35, 1462904), (40, 1280041), (56, 914315), (70, 731452), (107, 478520), (140, 365726), (214, 239260), (280, 182863), (428, 119630), (535, 95704), (749, 68360), (856, 59815), (1070, 47852), (1498, 34180), (1709, 29960), (2140, 23926), (2996, 17090), (3418, 14980), (3745, 13672), (4280, 11963), (5992, 8545), (6836, 7490)]